Transaction not yet indexed

528QKB8h4wmjrhdPhWkSLZsUt5eaNXFNRwKfERpKiqnaiytse94dUPsoDAFcZG55wD6ThhXjq3CR3ckBiTYx6Uf5

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.